(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f0)) (VAR A B) (RULES f0(A,B) -> Com_1(f5(2,4)) f5(A,B) -> Com_1(f5(A + 2,A + 4)) :|: 19 >= A f5(A,B) -> Com_1(f8(A,B)) :|: A >= 20 )